Mercurial > hg4j

annotate hg4j/src/main/java/org/tmatesoft/hg/repo/HgRemoteRepository.java @ 213:6ec4af642ba8 gradle

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Project uses Gradle for build - actual changes
author Alexander Kitaev <kitaev@gmail.com>
date Tue, 10 May 2011 10:52:53 +0200
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213
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
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1 /*
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2 * Copyright (c) 2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
6ec4af642ba8 Project uses Gradle for build - actual changes
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6ec4af642ba8 Project uses Gradle for build - actual changes
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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Alexander Kitaev <kitaev@gmail.com>
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.repo;
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18
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19 import java.io.File;
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20 import java.io.FileOutputStream;
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21 import java.io.IOException;
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22 import java.io.InputStream;
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23 import java.io.InputStreamReader;
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24 import java.io.OutputStream;
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25 import java.io.StreamTokenizer;
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26 import java.net.HttpURLConnection;
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27 import java.net.MalformedURLException;
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28 import java.net.URL;
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29 import java.net.URLConnection;
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30 import java.security.cert.CertificateException;
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31 import java.security.cert.X509Certificate;
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32 import java.util.ArrayList;
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33 import java.util.Collection;
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34 import java.util.Collections;
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35 import java.util.Iterator;
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36 import java.util.LinkedHashMap;
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37 import java.util.LinkedList;
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38 import java.util.List;
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39 import java.util.Map;
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40 import java.util.prefs.BackingStoreException;
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41 import java.util.prefs.Preferences;
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42 import java.util.zip.InflaterInputStream;
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43
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44 import javax.net.ssl.HttpsURLConnection;
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45 import javax.net.ssl.SSLContext;
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46 import javax.net.ssl.TrustManager;
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47 import javax.net.ssl.X509TrustManager;
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48
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49 import org.tmatesoft.hg.core.HgBadArgumentException;
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50 import org.tmatesoft.hg.core.HgBadStateException;
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51 import org.tmatesoft.hg.core.HgException;
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52 import org.tmatesoft.hg.core.Nodeid;
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53
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54 /**
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55 * WORK IN PROGRESS, DO NOT USE
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56 *
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57 * @see http://mercurial.selenic.com/wiki/WireProtocol
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58 *
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59 * @author Artem Tikhomirov
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60 * @author TMate Software Ltd.
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61 */
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62 public class HgRemoteRepository {
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63
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64 private final URL url;
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65 private final SSLContext sslContext;
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66 private final String authInfo;
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67 private final boolean debug = Boolean.parseBoolean(System.getProperty("hg4j.remote.debug"));
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68 private HgLookup lookupHelper;
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69
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70 HgRemoteRepository(URL url) throws HgBadArgumentException {
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71 if (url == null) {
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72 throw new IllegalArgumentException();
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73 }
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74 this.url = url;
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75 if ("https".equals(url.getProtocol())) {
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76 try {
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77 sslContext = SSLContext.getInstance("SSL");
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78 class TrustEveryone implements X509TrustManager {
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79 public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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80 if (debug) {
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81 System.out.println("checkClientTrusted:" + authType);
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82 }
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83 }
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84 public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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85 if (debug) {
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86 System.out.println("checkServerTrusted:" + authType);
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87 }
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88 }
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89 public X509Certificate[] getAcceptedIssuers() {
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90 return new X509Certificate[0];
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91 }
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92 };
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93 sslContext.init(null, new TrustManager[] { new TrustEveryone() }, null);
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94 } catch (Exception ex) {
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95 throw new HgBadArgumentException("Can't initialize secure connection", ex);
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96 }
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97 } else {
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98 sslContext = null;
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99 }
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100 if (url.getUserInfo() != null) {
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101 String ai = null;
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102 try {
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103 // Hack to get Base64-encoded credentials
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104 Preferences tempNode = Preferences.userRoot().node("xxx");
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105 tempNode.putByteArray("xxx", url.getUserInfo().getBytes());
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106 ai = tempNode.get("xxx", null);
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107 tempNode.removeNode();
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108 } catch (BackingStoreException ex) {
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109 ex.printStackTrace();
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110 // IGNORE
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111 }
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112 authInfo = ai;
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113 } else {
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114 authInfo = null;
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115 }
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116 }
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117
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118 public boolean isInvalid() throws HgException {
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119 // say hello to server, check response
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120 if (Boolean.FALSE.booleanValue()) {
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121 throw HgRepository.notImplemented();
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122 }
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123 return false; // FIXME
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124 }
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125
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126 /**
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127 * @return human-readable address of the server, without user credentials or any other security information
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128 */
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129 public String getLocation() {
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130 if (url.getUserInfo() == null) {
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131 return url.toExternalForm();
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132 }
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133 if (url.getPort() != -1) {
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134 return String.format("%s://%s:%d%s", url.getProtocol(), url.getHost(), url.getPort(), url.getPath());
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135 } else {
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136 return String.format("%s://%s%s", url.getProtocol(), url.getHost(), url.getPath());
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137 }
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138 }
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139
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140 public List<Nodeid> heads() throws HgException {
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141 try {
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142 URL u = new URL(url, url.getPath() + "?cmd=heads");
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143 HttpURLConnection c = setupConnection(u.openConnection());
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144 c.connect();
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145 if (debug) {
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146 dumpResponseHeader(u, c);
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147 }
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148 InputStreamReader is = new InputStreamReader(c.getInputStream(), "US-ASCII");
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149 StreamTokenizer st = new StreamTokenizer(is);
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150 st.ordinaryChars('0', '9');
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151 st.wordChars('0', '9');
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152 st.eolIsSignificant(false);
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
153 LinkedList<Nodeid> parseResult = new LinkedList<Nodeid>();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
154 while (st.nextToken() != StreamTokenizer.TT_EOF) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
155 parseResult.add(Nodeid.fromAscii(st.sval));
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
156 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
157 return parseResult;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
158 } catch (MalformedURLException ex) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
159 throw new HgException(ex);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
160 } catch (IOException ex) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
161 throw new HgException(ex);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
162 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
163 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
164
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
165 public List<Nodeid> between(Nodeid tip, Nodeid base) throws HgException {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
166 Range r = new Range(base, tip);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
167 // XXX shall handle errors like no range key in the returned map, not sure how.
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
168 return between(Collections.singletonList(r)).get(r);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
169 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
170
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
171 /**
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
172 * @param ranges
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
173 * @return map, where keys are input instances, values are corresponding server reply
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
174 * @throws HgException
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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175 */
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
176 public Map<Range, List<Nodeid>> between(Collection<Range> ranges) throws HgException {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
177 if (ranges.isEmpty()) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
178 return Collections.emptyMap();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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179 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
180 // if fact, shall do other way round, this method shall send
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
181 LinkedHashMap<Range, List<Nodeid>> rv = new LinkedHashMap<HgRemoteRepository.Range, List<Nodeid>>(ranges.size() * 4 / 3);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
182 StringBuilder sb = new StringBuilder(20 + ranges.size() * 82);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
183 sb.append("pairs=");
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
184 for (Range r : ranges) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
185 sb.append(r.end.toString());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
186 sb.append('-');
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
187 sb.append(r.start.toString());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
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diff changeset
188 sb.append('+');
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
189 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
190 if (sb.charAt(sb.length() - 1) == '+') {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
191 // strip last space
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
192 sb.setLength(sb.length() - 1);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
193 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
194 try {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
195 boolean usePOST = ranges.size() > 3;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
196 URL u = new URL(url, url.getPath() + "?cmd=between" + (usePOST ? "" : '&' + sb.toString()));
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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197 HttpURLConnection c = setupConnection(u.openConnection());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
198 if (usePOST) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
199 c.setRequestMethod("POST");
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
200 c.setRequestProperty("Content-Length", String.valueOf(sb.length()/*nodeids are ASCII, bytes == characters */));
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
201 c.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
202 c.setDoOutput(true);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
203 c.connect();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
204 OutputStream os = c.getOutputStream();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
205 os.write(sb.toString().getBytes());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
206 os.flush();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
207 os.close();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
208 } else {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
209 c.connect();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
210 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
211 if (debug) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
212 System.out.printf("%d ranges, method:%s \n", ranges.size(), c.getRequestMethod());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
213 dumpResponseHeader(u, c);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
214 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
215 InputStreamReader is = new InputStreamReader(c.getInputStream(), "US-ASCII");
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
216 StreamTokenizer st = new StreamTokenizer(is);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
217 st.ordinaryChars('0', '9');
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
218 st.wordChars('0', '9');
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
219 st.eolIsSignificant(true);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
220 Iterator<Range> rangeItr = ranges.iterator();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
221 LinkedList<Nodeid> currRangeList = null;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
222 Range currRange = null;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
223 boolean possiblyEmptyNextLine = true;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
224 while (st.nextToken() != StreamTokenizer.TT_EOF) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
225 if (st.ttype == StreamTokenizer.TT_EOL) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
226 if (possiblyEmptyNextLine) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
227 // newline follows newline;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
228 assert currRange == null;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
229 assert currRangeList == null;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
230 if (!rangeItr.hasNext()) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
231 throw new HgBadStateException();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
232 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
233 rv.put(rangeItr.next(), Collections.<Nodeid>emptyList());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
234 } else {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
235 if (currRange == null || currRangeList == null) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
236 throw new HgBadStateException();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
237 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
238 // indicate next range value is needed
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
239 currRange = null;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
240 currRangeList = null;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
241 possiblyEmptyNextLine = true;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
242 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
243 } else {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
244 possiblyEmptyNextLine = false;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
245 if (currRange == null) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
246 if (!rangeItr.hasNext()) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
247 throw new HgBadStateException();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
248 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
249 currRange = rangeItr.next();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
250 currRangeList = new LinkedList<Nodeid>();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
251 rv.put(currRange, currRangeList);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
252 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
253 Nodeid nid = Nodeid.fromAscii(st.sval);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
254 currRangeList.addLast(nid);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
255 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
256 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
257 is.close();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
258 return rv;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
259 } catch (MalformedURLException ex) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
260 throw new HgException(ex);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
261 } catch (IOException ex) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
262 throw new HgException(ex);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
263 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
264 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
265
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
266 public List<RemoteBranch> branches(List<Nodeid> nodes) throws HgException {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
267 StringBuilder sb = new StringBuilder(20 + nodes.size() * 41);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
268 sb.append("nodes=");
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
269 for (Nodeid n : nodes) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
270 sb.append(n.toString());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
271 sb.append('+');
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
272 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
273 if (sb.charAt(sb.length() - 1) == '+') {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
274 // strip last space
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
275 sb.setLength(sb.length() - 1);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
276 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
277 try {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
278 URL u = new URL(url, url.getPath() + "?cmd=branches&" + sb.toString());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
279 HttpURLConnection c = setupConnection(u.openConnection());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
280 c.connect();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
281 if (debug) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
282 dumpResponseHeader(u, c);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
283 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
284 InputStreamReader is = new InputStreamReader(c.getInputStream(), "US-ASCII");
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
285 StreamTokenizer st = new StreamTokenizer(is);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
286 st.ordinaryChars('0', '9');
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
287 st.wordChars('0', '9');
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
288 st.eolIsSignificant(false);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
289 ArrayList<Nodeid> parseResult = new ArrayList<Nodeid>(nodes.size() * 4);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
290 while (st.nextToken() != StreamTokenizer.TT_EOF) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
291 parseResult.add(Nodeid.fromAscii(st.sval));
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
292 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
293 if (parseResult.size() != nodes.size() * 4) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
294 throw new HgException(String.format("Bad number of nodeids in result (shall be factor 4), expected %d, got %d", nodes.size()*4, parseResult.size()));
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
295 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
296 ArrayList<RemoteBranch> rv = new ArrayList<RemoteBranch>(nodes.size());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
297 for (int i = 0; i < nodes.size(); i++) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
298 RemoteBranch rb = new RemoteBranch(parseResult.get(i*4), parseResult.get(i*4 + 1), parseResult.get(i*4 + 2), parseResult.get(i*4 + 3));
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
299 rv.add(rb);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
300 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
301 return rv;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
302 } catch (MalformedURLException ex) {
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303 throw new HgException(ex);
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304 } catch (IOException ex) {
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305 throw new HgException(ex);
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306 }
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307 }
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308
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309 /*
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310 * XXX need to describe behavior when roots arg is empty; our RepositoryComparator code currently returns empty lists when
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311 * no common elements found, which in turn means we need to query changes starting with NULL nodeid.
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312 *
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313 * WireProtocol wiki: roots = a list of the latest nodes on every service side changeset branch that both the client and server know about.
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314 *
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315 * Perhaps, shall be named 'changegroup'
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316
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317 * Changegroup:
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318 * http://mercurial.selenic.com/wiki/Merge
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319 * http://mercurial.selenic.com/wiki/WireProtocol
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320 *
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321 * according to latter, bundleformat data is sent through zlib
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322 * (there's no header like HG10?? with the server output, though,
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323 * as one may expect according to http://mercurial.selenic.com/wiki/BundleFormat)
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324 */
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325 public HgBundle getChanges(List<Nodeid> roots) throws HgException {
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326 List<Nodeid> _roots = roots.isEmpty() ? Collections.singletonList(Nodeid.NULL) : roots;
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327 StringBuilder sb = new StringBuilder(20 + _roots.size() * 41);
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328 sb.append("roots=");
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329 for (Nodeid n : _roots) {
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330 sb.append(n.toString());
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331 sb.append('+');
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332 }
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333 if (sb.charAt(sb.length() - 1) == '+') {
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334 // strip last space
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335 sb.setLength(sb.length() - 1);
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336 }
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337 try {
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338 URL u = new URL(url, url.getPath() + "?cmd=changegroup&" + sb.toString());
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339 HttpURLConnection c = setupConnection(u.openConnection());
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340 c.connect();
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341 if (debug) {
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342 dumpResponseHeader(u, c);
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343 }
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344 File tf = writeBundle(c.getInputStream(), false, "HG10GZ" /*didn't see any other that zip*/);
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345 if (debug) {
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346 System.out.printf("Wrote bundle %s for roots %s\n", tf, sb);
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347 }
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348 return getLookupHelper().loadBundle(tf);
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349 } catch (MalformedURLException ex) {
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350 throw new HgException(ex);
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351 } catch (IOException ex) {
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352 throw new HgException(ex);
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353 }
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354 }
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355
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356 @Override
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357 public String toString() {
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358 return getClass().getSimpleName() + '[' + getLocation() + ']';
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359 }
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360
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361 private HgLookup getLookupHelper() {
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362 if (lookupHelper == null) {
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363 lookupHelper = new HgLookup();
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364 }
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365 return lookupHelper;
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366 }
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367
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368 private HttpURLConnection setupConnection(URLConnection urlConnection) {
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369 urlConnection.setRequestProperty("User-Agent", "hg4j/0.5.0");
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370 urlConnection.addRequestProperty("Accept", "application/mercurial-0.1");
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371 if (authInfo != null) {
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372 urlConnection.addRequestProperty("Authorization", "Basic " + authInfo);
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373 }
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374 if (sslContext != null) {
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375 ((HttpsURLConnection) urlConnection).setSSLSocketFactory(sslContext.getSocketFactory());
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376 }
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377 return (HttpURLConnection) urlConnection;
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378 }
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379
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380 private void dumpResponseHeader(URL u, HttpURLConnection c) {
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381 System.out.printf("Query (%d bytes):%s\n", u.getQuery().length(), u.getQuery());
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382 System.out.println("Response headers:");
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Alexander Kitaev <kitaev@gmail.com>
parents:
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383 final Map<String, List<String>> headerFields = c.getHeaderFields();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
384 for (String s : headerFields.keySet()) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
385 System.out.printf("%s: %s\n", s, c.getHeaderField(s));
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Alexander Kitaev <kitaev@gmail.com>
parents:
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386 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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387 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
388
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
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diff changeset
389 private static File writeBundle(InputStream is, boolean decompress, String header) throws IOException {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
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390 InputStream zipStream = decompress ? new InflaterInputStream(is) : is;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
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diff changeset
391 File tf = File.createTempFile("hg-bundle-", null);
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Alexander Kitaev <kitaev@gmail.com>
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diff changeset
392 FileOutputStream fos = new FileOutputStream(tf);
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
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393 fos.write(header.getBytes());
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
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394 int r;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
395 byte[] buf = new byte[8*1024];
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
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diff changeset
396 while ((r = zipStream.read(buf)) != -1) {
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diff changeset
397 fos.write(buf, 0, r);
6ec4af642ba8 Project uses Gradle for build - actual changes
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398 }
6ec4af642ba8 Project uses Gradle for build - actual changes
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399 fos.close();
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400 zipStream.close();
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
401 return tf;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
402 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
403
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
404
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
405 public static final class Range {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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406 /**
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Alexander Kitaev <kitaev@gmail.com>
parents:
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407 * Root of the range, earlier revision
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
408 */
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Alexander Kitaev <kitaev@gmail.com>
parents:
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409 public final Nodeid start;
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
410 /**
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
411 * Head of the range, later revision.
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
412 */
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
413 public final Nodeid end;
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
414
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
415 /**
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
416 * @param from - root/base revision
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
417 * @param to - head/tip revision
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Alexander Kitaev <kitaev@gmail.com>
parents:
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418 */
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Alexander Kitaev <kitaev@gmail.com>
parents:
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419 public Range(Nodeid from, Nodeid to) {
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420 start = from;
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Alexander Kitaev <kitaev@gmail.com>
parents:
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421 end = to;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
422 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
423 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
424
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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425 public static final class RemoteBranch {
6ec4af642ba8 Project uses Gradle for build - actual changes
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parents:
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426 public final Nodeid head, root, p1, p2;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
427
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
428 public RemoteBranch(Nodeid h, Nodeid r, Nodeid parent1, Nodeid parent2) {
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429 head = h;
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parents:
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430 root = r;
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Alexander Kitaev <kitaev@gmail.com>
parents:
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431 p1 = parent1;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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432 p2 = parent2;
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Alexander Kitaev <kitaev@gmail.com>
parents:
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433 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
434
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
435 @Override
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Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
436 public boolean equals(Object obj) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
437 if (this == obj) {
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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438 return true;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
439 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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440 if (false == obj instanceof RemoteBranch) {
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441 return false;
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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442 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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443 RemoteBranch o = (RemoteBranch) obj;
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Alexander Kitaev <kitaev@gmail.com>
parents:
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444 return head.equals(o.head) && root.equals(o.root) && (p1 == null && o.p1 == null || p1.equals(o.p1)) && (p2 == null && o.p2 == null || p2.equals(o.p2));
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
diff changeset
445 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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446 }
6ec4af642ba8 Project uses Gradle for build - actual changes
Alexander Kitaev <kitaev@gmail.com>
parents:
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447 }